A rare U.S. dime missing its mint mark was auctioned for $506,250, nearly 30 times the amount it sold for 46 years earlier.
The 1975 D penny is seen to be more valuable than the other standard varieties. Collectors would value those coins with mint state certifications. The mint mark is “D”, which indicates it was ...
What sets the dime apart from others is that it lacks the “S” mark needed to be on all proof coins struck at the U.S. Mint in ...
The dime - described as "one of the rarest coins of the 20th century" - was produced by the US Mint in San Francisco. But it is missing a distinctive mark, one of only two dimes made in 1975 known to ...
An extremely rare coin, which had been kept in a bank ... proof sets made by the San Francisco mint in 1975 featuring six coins, which sold at the time for $7 (£5). A few years later, collectors ...